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HP and Compaq CRT Monitors - Reducing Flicker by Changing the Video Refresh Rate (Windows Vista)

This document pertains to HP and Compaq desktop personal computers running Microsoft Windows Vista.
The video refresh rate is the rate at which an entire screen is displayed on the monitor. This measurement is usually in Hz, which is the number of screens displayed in one second. There are several good refresh rates, although 72 to 75 Hz is a good default setting for most people. Lower refresh rates are typically better for the life of the monitor but the display may flicker or flash. Higher refresh rates display better and make video games seem more responsive, but can be harder on the life of the monitor and can cause noise.
Use this document to change the video refresh rate to match your particular viewing style.
note:
This document does not pertain to some flat panel, LCD style displays. Some LCD monitors have a refresh rate that cannot be changed.

Changing the refresh rate

Use the following steps to change the refresh rate of your monitor:
  1. Right-click anywhere on an open area of the Windows desktop.
  2. Select Personalize from the menu.
  3. Click Display Settings at the bottom of the list.
    Figure : Display Settings option
    Image of Display Settings option
  4. Select the Monitor tab.
    note:
    Ensure thatHide modes that this monitor cannot display is selected.
    Figure : Monitor tab
    Image of Monitor tab
  5. Select the desired refresh rate from the Screen refresh rate drop-down list.
    Figure : Screen refresh rate drop-down list
    Image of Screen refresh rate drop-down list
  6. Click OK.

What to do when the refresh rate does not appear in display settings

Use the steps in this section when the video refresh rates are not shown in the advanced section of display settings. The default monitor driver for Windows is being used.
  1. Click the Start button , type Device Manager in the search field, and select Device Manager from the menu.
    If prompted, click Continue.
    The Device Manager opens.
  2. Click the plus sign (+) next to Monitors , and then double-click Generic PnP Monitor.
    Figure : Generic PnP Monitor listing in Device Manager
    Image of Generic PnP Monitor listing in Device Manager
  3. Click the Driver tab, and then click the Update Driver button.
  4. Select Search automatically for updated driver software if you want Windows Vista to search the computer and the Internet for the latest driver software for your monitor,
     or 
    Select Browse my computer for driver software if you have a driver disc.
    note:
    If you are using a non-HP monitor and it came with software, install the driver that came with your monitor.
    A window with a Browse button opens.
    1. Click Let me pick from a list of device drivers on my computer.
      An Install From Disk window opens.
    2. Insert the disc into the removable media drive.
    3. Type the drive letter in the Copy manufacturer's files from field.
    4. Click the Browse button.
    5. In the Local File window, double-click the folder name that contains the monitor's driver.
    6. Click the Open button.
  5. Select Next, and Finish to change the driver.
  6. You can now change the refresh rate of the monitor.

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